Final answer:
A closed fracture is to intact dura. In a closed fracture, the bone is broken but does not pierce the skin. The dura mater, which is the outermost layer of the meninges that covers the brain and spinal cord, remains intact.
Step-by-step explanation:
A closed fracture is to intact dura. In a closed fracture, the bone is broken but does not pierce the skin. The dura mater, which is the outermost layer of the meninges that covers the brain and spinal cord, remains intact.